Acpi Msft0101 Acer Driver Windows 7 Rating: 6,0/10 1698 reviews
Shapochka shlem lisichka s opisaniem. In the Other Devices section In Windows 7*, the Device Manager can show multiple errors on Unknown Devices. Details on the device show ACPI MSFT0101. 
Why do i see many drivers? Below is a list of drivers that may be suitable for your device. With the different devices, they can have the same driver, it's because they all use the same chip manufacturer.
How to select driver? If you are looking for an update, pickup the latest one. If your driver isn't working, use the driver having the same OEM with the your laptop/desktop brand name.